Coridius brunneus (Thunberg, 1783)

Boyane, Swapnil S., Sen, Sandeep, Priyadarsanan, Dharma Rajan, Thunga, Pavan Kumar, Joshi, Nikhil U. & Ghate, Hemant V., 2024, Integrative taxonomy of the genus Coridius Illiger, 1807 (Hemiptera: Heteroptera: Dinidoridae) reveals hidden diversity and three new species from North-East India, PLoS ONE (e 0298176) 1807 (7), pp. 1-46 : 22-25

Coridius brunneus (Thunberg, 1783) ( Figs 5F, 6F, 9F, 10F, 11F and 12F).

Cimex brunneus Thunberg , 17 83: 45.

Cimex obscurus Fabricius, 1794: 107 . Synonymized by Durai, 1987: 195. Cimex obscurior Turton, 1802: 642 .

Edessa obscura Fabricius, 1803: 151 , wolff, 1811: 173, Fig 17.

Edessa ( Dinidor) obscura Latreille, 1829 : 195.

Aspongopus obscurus Burmeister, 1835: 352 ; westwood, 1837: 6; Herrich-Schäffer, 1844: 80; Dallas, 1851: 349; Herrich-Schäffer, 1851: 307; St å l, 1868: 38; Vollenhoven, 1868: 38; walker, 1868: 482; Atkinson, 1889: 88; Sharp, 1890: 404; Kirby, 1892: 88; Lethierry & Severin, 1893: 238; Breddin, 1899: 168; 1901: 14, 63; Distant, 1902: 283; Maxwell-Lefroy, 1909: 313; Behura et al., 1972: 88, 104; Behura et al., 1977: 113–128; Hsiao et al., 1977: 70, pl. 8, Fig 125; Verma et al., 1979: 873–878.

Spongopodium obscurus Spinola, 1837 : 305, 306.

Aspongopus ochreus westwood, 1837: 6, 25; Vollenhoven, 1868: 38, 39; walker, 1868: 483; St å l, 1870: 85; Distant, 1879: 45, 52; Atkinson, 1889: 89; Lethierry & Severin, 1893: 238; Distant, 1901: 819; 1902: 283; Kirkaldy, 1909: 257. Synonymized by Lis, 1990: 113.

Aspongobus [sic] ochreus Dohrn, 1859: 21 .

Aspongobus [sic] obscurus Dohrn, 1859: 21 .

Dinidor obscura Carpenter & westwood, 1863: 564

Aspongopus brunneus Mayr, 1866: 69 ; Distant, 1879: 45, 52; Atkinson, 1889: 87; Lethierry & Severin, 1893: 236; Distant, 1901: 104; 1902: 282, 283; Kirkaldy, 1909: 255; Maxwell-Lefroy, 1909: 678; Distant, 1921: 166; Fletcher, 1921: 189, 190; Misra, 1923: 301; China, 1928: 195, 196; Hoffmann, 1935: 118; Yang, 1962: 47, 48; Zhang & Lin, 1988: 84; Zheng & Jin, 1990: 142. Aspongopus ( Aspongopus) brunneus St å l, 1870: 82; Schouteden, 1913: 7.

Aspongopus ( Aspongopus) obscurus St å l, 1868: 82.

Aspongopus orientalis Kirkaldy, 1909: 257 ; Manna, 1951: 40, 41, 44, Figs 20a-h.

Aspongopus ( Aspongopus) ochreus Schouteden, 1913: 8 .

Aspongopus ( Aspongopus) orientalis Schouteden, 1913: 8 , pl. 1, Fig 3.

Coridius ochreus Yang, 1940: 8 ; Durai, 1986: 6; 1987: 190, 196, Figs 171–172; Ahmad et al., 1997: 307, 319.

Coridius orientalis Nuamah, 1982: 16 .

Coridius brunneus Durai, 1986: 5 ; 1987: 109, 195, 196, Figs 161–170; Schaefer & Ahmad, 1987: 30; Zhang & Lin, 1987: 76; Lis, 1990: 113, 140; 1992: 37; Rolston et al., 1996: 33–35, 98; Ahmad et al., 1997: 308, 315, 319, 320.

Coridius obscurus Senrayan & Annadurai, 1991: 237–243 , Figs a-c.

Material examined. INDIA: Maharashtra, Pune , leg. Swapnil Boyane, 12.i.2019, 18.653˚N, 73.909˚E, 550 m: 1 F .— INDIA: Maharashtra: Khopoli , leg. Hemant Ghate, 23.x.2015, 18.793˚N, 73.334˚E, 69 m: 1 M .

Diagnosis. Overall body yellowish brown to dark brown; pale yellow ventrally, brown in areas near coxae and sternum rest dark brown. Lateral margins of pronotum not black. Antennae with first segment basally ochraceous, distally dark brown, second and third black, fourth ochraceous except a minute region at base and apex which are black ( Figs 5F and 6F). Legs brown to blackish brown, tibia slightly darker.

Redescription. Overall body sparsely finely punctate, almost smooth medially underneath, and very finely punctate laterally. Abdomen finely rugulose and punctate.

Head rounded at apex, with mandibular plates much longer than clypeus ( Fig 9F); eyes large, bulbous, silvery in colour. Ocelli yellowish brown placed closer to eye than to each other. Labium four segmented reaching middle of mesosternum. Antennae five segmented, first segment reaching apex of head, fifth segment blackish brown.

Pronotum glossy and finely punctate, anterior border deeply concave, lateral margins curved, posterior margin straight; calli smooth, shining with sparse punctures. Pro-sternum with a distinct elevated smooth region on either side of the median groove, laterally rugulose and coarsely punctate. Meso and meta sternum smooth medially, rugulose and coarsely punctate in pleural regions. Femora with spines and setae underneath, tibae distinctly sulcate and spined ventrally as well as dorsally, first segment of tarsus densely setose, second and third with very sparse long setae; claws widely separated, pulvilli distinct, well developed.

Scutellum long, rugulose punctate in basal two third; reaching half-length of abdomen, apex rounded.

Male genitalia. Pygophore proximally narrow and distally slightly broad, sclerotized ventrally convex, with deep punctures ( Fig 11F); ventral rim rounded with sparse setae ( Fig 10F), parameres curved, highly sclerotized with rugae, outwardly remarkably rounded and its tip narrowed, serrated, and setose apically, inner margin moderately concave ( Fig 12F).

Geographical distribution: Asutralia, Borneo, China, India, Indonesia, Malaysia, Myanmar, Sri Lanka [ 24, 27, 42, 44].